1.54.198.0/23
Currently announced by AS18403 FPT Telecom, in the routed prefix 1.54.192.0/20.
- Current ASN
- AS18403
- FPT Telecom
- Routed prefix
- 1.54.192.0/20
- Most specific route covering this prefix
- ASNs over time
- 1
- 4 announcement records
- RIR allocation
- APNIC
- Vietnam · 1.52.0.0/14
Routing data · Nov 2, 2026, 02:24 UTC
ASN historyEvery routed prefix covering 1.54.198.0/23
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 1.54.198.0/23 | AS18403 | FPT Telecom |  Vietnam | Before monitoring | 2026-10-29 00:23 | Stopped |
| 1.54.192.0/20 | AS18403 | FPT Telecom | Vietnam | Before monitoring | 2026-11-02 02:24 | Announcing |
| 1.54.192.0/18 | AS18403 | FPT Telecom | Vietnam | Before monitoring | 2026-11-02 02:24 | Announcing |
| 1.52.0.0/14 | AS18403 | FPT Telecom | Vietnam | Before monitoring | 2026-11-02 02:24 | Announcing |
More specific routes2 total
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 1.54.198.0/24 | AS18403 | FPT Telecom | Vietnam | 2026-10-28 22:21 | 2026-11-02 02:24 | Announcing |
| 1.54.199.0/24 | AS18403 | FPT Telecom | Vietnam | 2026-10-28 22:21 | 2026-11-02 02:24 | Announcing |
Change logAll changes
| Detected (UTC) | Prefix | Change | ASN | Name | Previous ASN | Country |
|---|---|---|---|---|---|---|
| 2026-10-29 02:22 | 1.54.198.0/23 | Withdrawal | AS18403 | FPT Telecom | — | Vietnam |